CVE-2020-10189
Published 2020-03-06 · Updated 2026-06-17 · Source cve@mitre.org
Summary
CVE-2020-10189 is a critical-severity (CVSS 9.8) vulnerability in Zoho ManageEngine. CISA added it to the Known Exploited Vulnerabilities catalog on November 3, 2021, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by May 3, 2022. CISA does not currently list it as used in ransomware campaigns. Zoho has 9 vulnerabilities in the KEV catalog, 2 of them linked to ransomware.
All 9 known-exploited Zoho vulnerabilities →Description
Zoho ManageEngine Desktop Central before 10.0.474 allows remote code execution because of deserialization of untrusted data in getChartImage in the FileStorage class. This is related to the CewolfServlet and MDMLogUploaderServlet servlets.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Zoho — ManageEngine
Name: Zoho ManageEngine Desktop Central File Upload Vulnerability
Date added: 2021-11-03 · Due: 2022-05-03
Required action: Apply updates per vendor instructions.
References
- http://packetstormsecurity.com/files/156730/ManageEngine-Desktop-Central-Java-Deserialization.html
- https://cwe.mitre.org/data/definitions/502.html
- https://srcincite.io/advisories/src-2020-0011/
- https://srcincite.io/pocs/src-2020-0011.py.txt
- https://www.manageengine.com/products/desktop-central/remote-code-execution-vulnerability.html
- https://www.zdnet.com/article/zoho-zero-day-published-on-twitter/
- http://packetstormsecurity.com/files/156730/ManageEngine-Desktop-Central-Java-Deserialization.html
- https://cwe.mitre.org/data/definitions/502.html

